Method saveBinary

core/src/processing/data/Table.java:1611–1684

(OutputStream os)

  protected void saveBinary(OutputStream os) throws IOException {
    DataOutputStream output = new DataOutputStream(new BufferedOutputStream(os));
    output.writeInt(0x9007AB1E);  // version
    output.writeInt(getRowCount());
    output.writeInt(getColumnCount());
    if (columnTitles != null) {
      output.writeBoolean(true);
      for (String title : columnTitles) {
        output.writeUTF(title);
      }
    } else {
      output.writeBoolean(false);
    }
    for (int i = 0; i < getColumnCount(); i++) {
      //System.out.println(i + " is " + columnTypes[i]);
      output.writeInt(columnTypes[i]);
    }

    for (int i = 0; i < getColumnCount(); i++) {
      if (columnTypes[i] == CATEGORY) {
        columnCategories[i].write(output);
      }
    }
    if (missingString == null) {
      output.writeBoolean(false);
    } else {
      output.writeBoolean(true);
      output.writeUTF(missingString);
    }
    output.writeInt(missingInt);
    output.writeLong(missingLong);
    output.writeFloat(missingFloat);
    output.writeDouble(missingDouble);
    output.writeInt(missingCategory);

    for (TableRow row : rows()) {
      for (int col = 0; col < getColumnCount(); col++) {
        switch (columnTypes[col]) {
        case STRING:
          String str = row.getString(col);
          if (str == null) {
            output.writeBoolean(false);
          } else {
            output.writeBoolean(true);
            output.writeUTF(str);
          }
          break;
        case INT:
          output.writeInt(row.getInt(col));
          break;
        case LONG:
          output.writeLong(row.getLong(col));
          break;
        case FLOAT:
          output.writeFloat(row.getFloat(col));
          break;
        case DOUBLE:
          output.writeDouble(row.getDouble(col));